Plumbogummite and Atacamite Physical Properties

Plumbogummite

Atacamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0143.745-3.776

1 7.18

1.5 Fracture

Uneven, Conchoidal

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

None

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

4-53-3.5

2 10

1.8 Chemical Composition

Not Available

Cu2Cl(OH)3

Plumbogummite and Atacamite Chemical Formula

While comparing Plumbogummite and Atacamite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Plumbogummite and Atacamite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3

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Plumbogummite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.